CLS-25 Pacific Scientific OECO, CLS-25 Datasheet

CLS-25

Manufacturer Part Number

CLS-25

Description

Sensor, Current; +/-25A Pri:DC to 200kHz; PCB; 25mA; 1-2-3-4/1000 Turns; +/-0.5%; 1.25

Manufacturer

Pacific Scientific OECO

Type

Hall Effectr

Datasheet

1.CLS-25.pdf (2 pages)

Specifications of CLS-25

Accuracy

± 0.5% @ 25 °C

Brand/series

CLS

Current, Primary

± 25 A (RMS)

Current, Secondary

25 mA

Current, Switching

25 mA

Frequency Response

DC to 200 kHz

Function

Current

Height

4.22 in.

Length

1.25 in.

Mounting Type

PCB

Output

Current

Primary Type

Current

Range, Measurement

50 A

Technology

Hall Effect

Termination

Solder

Turns Ratio

1-2-3-4⁄1000

Voltage, Supply

15 VDC

Width

0.071 in.

Lead Free Status / Rohs Status

RoHS Compliant part

For Use With

Variable speed drive for motors, welding equipment, power supply equipment, measure and control system

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This closed loop current sensor provides excellent performance at affordable prices.

Accuracy at +25

General Information

the primary (high current) and secondary circuits. It has four integral primary pins.

Nominal Current (I

Measuring Range

Measuring Resistance .............................................................................. R min.

Nominal Analog Output Current ................................................................ 25 mA

Turns Ratio.............................................................................................. 1-2-3-4/1000

Supply Voltage ....................................................................................... ±15 Vdc (+5%)

Galvanic Isolation .................................................................................... 5 kV RMS/50 Hz/1 minute

Zero Offset Current at + 25

Thermal Drift of offset Current O

Linearity ................................................................................................. better than ±0.2%

Response Time ....................................................................................... less than 1 ms

Bandwidth............................................................................................... DC to 200 kHz (-1dB)

Operating/Storage Temperature ............................................................... -40

Current Consumption ............................................................................... 10 mA plus output current

Secondary Internal Resistance (at + 70

Primary Internal Resistance ..................................................................... <1.25 milliohm per turn

Weight ................................................................................................... 17 g maximum

Package ................................................................................................. Insulated plastic case (UL94-VO)

Mounting ................................................................................................ Designed to mount directly on PCB via

Output Reference .................................................................................... To obtain a positive output on the terminal marked

[1] = The CLS-25 offers a choice of 4 measuring ranges (refer to the mechanical dimensions on the following page)

[2] = For 2 seconds only

[3] = Excludes the effect of zero offset

[4] = Over the operating range ±50 A.t.

Description

The CLS-25 is a reduced size current transducer based on the principle of

magnetic compensation. It provides electronic measurement of DC, AC

or pulsed currents, and their combinations, with galvanic isolation between

Features

• Noncontact measurement of high current

• Measures DC, AC and impulse currents

• Current sensing up to 400A peak

• Very fast response and high accuracy

• High overload capacity

Electrical Specifications

Notes:

Model CLS-25

• PC board mount

[1]

[3][4]

) ................................................................................ 25 A.t RMS

.................................................................................. 0 to ± 50 A.t (± 62 A.t)

with ±15V at ±25 A.t Max. ...................................... 54 ohm

............................................................................ 0.5% of I

C ............................................................... better than ±0.15mA

C to 70

at ±50 A.t Max. ...................................... 54 ohm

at ±90 A.t Max. ...................................... 54 ohm

C) ............................................... 66 ohm

C ............................................... better than ±0.6mA

Applications

• Variable speed drives for motors

• Welding Equipment

• Power supply Equipment

• Measure and control system

• Over current protection

• Protection of power semiconductors

Closed Loop Hall Effect

hole connection pins.

“O”, current must flow from terminals 1,2,3,4 to

terminals 8,7,6, and 5 (conventional flow).

CLS-25

C to + 85

Max.

R max.

360 ohm

150 ohm

54 ohm

C/-40

C to + 90

[2]

Related parts for CLS-25

CLS-25 Summary of contents

Page 1

... Mounting ................................................................................................ Designed to mount directly on PCB via Output Reference .................................................................................... To obtain a positive output on the terminal marked Notes: [1] = The CLS-25 offers a choice of 4 measuring ranges (refer to the mechanical dimensions on the following page) [2] = For 2 seconds only [3] = Excludes the effect of zero offset [4] = Over the operating range ±50 A.t. ...

Page 2

... Mechanical Dimensions All dimensions are in inches (millimeters) Model CLS-25 1.25 (31.75 CLS-25 0.80 (20.30 ) 0.020 (0.5 ) DIRECTION OF CURRENT PIN PIN 1 0.272 (6.90 ) 0.1 14 (2.9 ) 0.305 (7.75) 0.100 (2.54) Primary Primary Nominal Output Primary Current Current Current (mA) Turns NOM. I MAX Notes: 1. Mounting Holes - Primary Pins 0.057 (1.45) 2 ...

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